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Tourmaline Lepidolite & Albite

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MGR655274

Tourmaline Lepidolite & Albite

Description Tabs

Description
Locality: 
Paprook, Nuristan Province, Afghanistan
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.9 × 4.9 × 4.7 cm
Description

The freestanding Elbaite crystal (34mm) is very gemmy and shows very fine clarity. The color is light pink with sharp pale green zoning along the end-point. All faces are sharp and lustrous. The matrix consists of well shaped Feldspat and light violet Lepidolithe helps to give a very nice contrast to the piece. No significant damages to report and very showy in various positions.

Mineral Data
What's on the rock

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7

Lepidolite

Synonym Of: 

Mica Group

Formula: 
KLi2Al(Si4O10)(F,OH)2 to K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Group Parent: 
Mica
Hardness: 
2.5 - 3.5
Colour: 
Pink, light purple, light rose red
Streak: 
White

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Finnbo (Finbo), Falun, Dalarna, Sweden